[GRASS-dev] v.edit

[Hamish]

> While we are talking about all this. Is there any such thing as an 
> open boundary (a line of type GV_BOUNDARY that has different first and
> last points? As I understand it boundaries are lines that define the 
> shape of an area and the centroid marks the "inside" of the area. So
> that way boundaries are not really part of the area, but rather marks
> its extents.


Yes, try making one with the (old) v.digit. (red endpoints).

on exit:

Topology was built.
Number of nodes     :   2
Number of primitives:   1
Number of points    :   0
Number of lines     :   0
Number of boundaries:   1
Number of centroids :   0
Number of areas     :   0
Number of isles     :   0
Number of incorrect boundaries   :   1



Hamish